CFU: Carbon Cycle

Flashcard
•
Biology
•
9th - 11th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the carbon cycle?
Back
The carbon cycle is the process by which carbon is exchanged between the atmosphere, land, water, and living organisms. It involves processes like photosynthesis, respiration, decomposition, and combustion.
2.
FLASHCARD QUESTION
Front
What role do plants play in the carbon cycle?
Back
Plants absorb carbon dioxide from the atmosphere during photosynthesis, using it to produce glucose and oxygen.
3.
FLASHCARD QUESTION
Front
What is combustion?
Back
Combustion is a chemical reaction that occurs when a substance reacts with oxygen, producing heat and light. It releases carbon dioxide into the atmosphere.
4.
FLASHCARD QUESTION
Front
How does carbon dioxide affect global temperatures?
Back
Increased levels of carbon dioxide in the atmosphere trap heat, leading to a rise in global temperatures, a phenomenon known as the greenhouse effect.
5.
FLASHCARD QUESTION
Front
What happens to carbon levels if the plant population decreases?
Back
If the plant population decreases, the amount of carbon dioxide in the atmosphere would increase because fewer plants are available to absorb it.
6.
FLASHCARD QUESTION
Front
Which human activities contribute to increased CO2 levels?
Back
Activities such as burning fossil fuels, deforestation, and industrial processes contribute to increased carbon dioxide levels in the atmosphere.
7.
FLASHCARD QUESTION
Front
What is photosynthesis?
Back
Photosynthesis is the process by which green plants use sunlight to convert carbon dioxide and water into glucose and oxygen.
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